/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f1xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f1xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "bsp_led.h"
#include "bsp_usart.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
typedef enum {
    STATE_NORMAL,
		STATE_SET_YEAR,
    STATE_SET_MONTH,
		STATE_SET_DAY,
    STATE_SET_HOUR,
    STATE_SET_MINUTE,
		STATE_SET_SECOND,
		STATE_IFCONFIRM,
    STATE_CONFIRM,
		STATE_CANCEL
} TimeState;
/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
uint8_t SetTimeCnt = 0;
extern uint32_t TimeDisplay;
extern TimeState SetTimeState;
extern uint8_t set_alarm;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/
extern RTC_HandleTypeDef hrtc;
extern UART_HandleTypeDef huart1;
extern UART_HandleTypeDef huart3;
extern TIM_HandleTypeDef htim6;

/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M3 Processor Interruption and Exception Handlers          */
/******************************************************************************/
/**
  * @brief This function handles Non maskable interrupt.
  */
void NMI_Handler(void)
{
  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */

  /* USER CODE END NonMaskableInt_IRQn 0 */
  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
   while (1)
  {
  }
  /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @brief This function handles Hard fault interrupt.
  */
void HardFault_Handler(void)
{
  /* USER CODE BEGIN HardFault_IRQn 0 */

  /* USER CODE END HardFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
    /* USER CODE END W1_HardFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Memory management fault.
  */
void MemManage_Handler(void)
{
  /* USER CODE BEGIN MemoryManagement_IRQn 0 */

  /* USER CODE END MemoryManagement_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
    /* USER CODE END W1_MemoryManagement_IRQn 0 */
  }
}

/**
  * @brief This function handles Prefetch fault, memory access fault.
  */
void BusFault_Handler(void)
{
  /* USER CODE BEGIN BusFault_IRQn 0 */

  /* USER CODE END BusFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
    /* USER CODE END W1_BusFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Undefined instruction or illegal state.
  */
void UsageFault_Handler(void)
{
  /* USER CODE BEGIN UsageFault_IRQn 0 */

  /* USER CODE END UsageFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
    /* USER CODE END W1_UsageFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Debug monitor.
  */
void DebugMon_Handler(void)
{
  /* USER CODE BEGIN DebugMonitor_IRQn 0 */

  /* USER CODE END DebugMonitor_IRQn 0 */
  /* USER CODE BEGIN DebugMonitor_IRQn 1 */

  /* USER CODE END DebugMonitor_IRQn 1 */
}

/******************************************************************************/
/* STM32F1xx Peripheral Interrupt Handlers                                    */
/* Add here the Interrupt Handlers for the used peripherals.                  */
/* For the available peripheral interrupt handler names,                      */
/* please refer to the startup file (startup_stm32f1xx.s).                    */
/******************************************************************************/

/**
  * @brief This function handles RTC global interrupt.
  */
void RTC_IRQHandler(void)
{
  /* USER CODE BEGIN RTC_IRQn 0 */
	//HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_1);
	TimeDisplay = 1;

  /* USER CODE END RTC_IRQn 0 */
  HAL_RTCEx_RTCIRQHandler(&hrtc);
	HAL_RTC_AlarmIRQHandler(&hrtc);
  /* USER CODE BEGIN RTC_IRQn 1 */

  /* USER CODE END RTC_IRQn 1 */
}

/**
  * @brief This function handles EXTI line0 interrupt.
  */
void EXTI0_IRQHandler(void)
{
  /* USER CODE BEGIN EXTI0_IRQn 0 */
	/* key1: enter or exit configure mode */
	if(!SetTimeCnt){ // ensure setting finish then turn to next patern
		switch(SetTimeState){
			case STATE_NORMAL:
				SetTimeState = STATE_SET_YEAR;
				SetTimeCnt = 0;
				break;
			case STATE_SET_YEAR:
				SetTimeState = STATE_SET_MONTH;
				SetTimeCnt = 0;
				break;
			case STATE_SET_MONTH:
				SetTimeState = STATE_SET_DAY;
				SetTimeCnt = 0;
				break;
			case STATE_SET_DAY:
				SetTimeState = STATE_SET_HOUR;
				SetTimeCnt = 0;
				break;
			case STATE_SET_HOUR:
				SetTimeState = STATE_SET_MINUTE;
				SetTimeCnt = 0;
				break;
			case STATE_SET_MINUTE:
				SetTimeState = STATE_SET_SECOND;
				SetTimeCnt = 0;
				break;
			case STATE_SET_SECOND:
				SetTimeState = STATE_IFCONFIRM;
				SetTimeCnt = 0;
				break;
			case STATE_IFCONFIRM:
				SetTimeState = STATE_CONFIRM;
				SetTimeCnt = 0;
				break;
			case STATE_CANCEL:
				SetTimeState = STATE_NORMAL;
				SetTimeCnt = 0;
				break;
			case STATE_CONFIRM:
				SetTimeState = STATE_NORMAL;
				SetTimeCnt = 0;
				break;
		}
	}
	HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
//  LED_BLUE;
  /* USER CODE END EXTI0_IRQn 0 */
  HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
  /* USER CODE BEGIN EXTI0_IRQn 1 */

  /* USER CODE END EXTI0_IRQn 1 */
}

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */

  /* USER CODE END USART1_IRQn 0 */
  HAL_UART_IRQHandler(&huart1);
  /* USER CODE BEGIN USART1_IRQn 1 */

  /* USER CODE END USART1_IRQn 1 */
}

/**
  * @brief This function handles USART3 global interrupt.
  */
void USART3_IRQHandler(void)
{
  /* USER CODE BEGIN USART3_IRQn 0 */

  /* USER CODE END USART3_IRQn 0 */
  HAL_UART_IRQHandler(&huart3);
  /* USER CODE BEGIN USART3_IRQn 1 */

  /* USER CODE END USART3_IRQn 1 */
}

/**
  * @brief This function handles EXTI line[15:10] interrupts.
  */
void EXTI15_10_IRQHandler(void)
{
  /* USER CODE BEGIN EXTI15_10_IRQn 0 */
	/* key2: (in configur mode) adjust value */
	switch(SetTimeState){
		/* set alarm mode */
		case STATE_NORMAL:
			set_alarm = 1;
			SetTimeState = STATE_SET_YEAR;
			SetTimeCnt = 0;
			break;
		case STATE_SET_YEAR:
			SetTimeCnt++;
			break;
		case STATE_SET_MONTH:
			SetTimeCnt++;
			break;
		case STATE_SET_DAY:
			SetTimeCnt++;
			break;
		case STATE_SET_HOUR:
			SetTimeCnt++;
			break;
		case STATE_SET_MINUTE:
			SetTimeCnt++;
			break;
		case STATE_SET_SECOND:
			SetTimeCnt++;
			break;
		case STATE_IFCONFIRM:
			SetTimeState = STATE_CANCEL;
			SetTimeCnt = 0;
			break;
		default:
			break;
	}
	HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
  /* USER CODE END EXTI15_10_IRQn 0 */
  HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
  /* USER CODE BEGIN EXTI15_10_IRQn 1 */

  /* USER CODE END EXTI15_10_IRQn 1 */
}

/**
  * @brief This function handles TIM6 global interrupt.
  */
void TIM6_IRQHandler(void)
{
  /* USER CODE BEGIN TIM6_IRQn 0 */

  /* USER CODE END TIM6_IRQn 0 */
  HAL_TIM_IRQHandler(&htim6);
  /* USER CODE BEGIN TIM6_IRQn 1 */

  /* USER CODE END TIM6_IRQn 1 */
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */
